Rhabdepyris lobatifrons , Kieffer 1910

Key to males of lobatifrons species-group

1 Propodeal disc with five discal carinae and a pair of additional carinae beside median one (Fig. 23)..... 2

- Propodeal disc with five discal carinae, withuot a pair of additional carinae beside median one (Fig. 2).3

2(1) Aedeagus apex as high as cuspis apex in lateral view (Fig. 8); scutellar groove as deep as scutellar pit (Fig. 2)........................................................................................................................................................ 4

- Aedeagus apex lower than cuspis apex in lateral view (Fig. 29); scutellar groove shallower than scutellar pit (Fig. 23) .................................................................................................................. R. demissus sp. nov.

3(1) Paramedian carina medially convergent and posteriorly divergent (Fig. 9); aedeagus with median callus in outer margin (Fig. 13); aedeagus apex higher than cuspis apex in lateral view (Fig. 15)....................... ...................................................................................................................................... R. callosus sp. nov.

- Paramedian carina neither medially convergent nor posteriorly divergent (Fig. 16); aedeagus without medium callus on outer margin (Fig. 6); aedeagus apex not higher than cuspis apex in lateral view (Fig. 8)................................................................................................................................................................ 5

4(2) Ventral margin of paramere dilated medially or submedially (Fig. 24, 27 in Azevedo, 1999)................... ............................................................................................................................. R. septemlineatus Kieffer

- Ventral margin of paramere not dilated medially or submedially (Fig. 23 in Rosmann & Azevedo, 2005) .............................................................................................................. R. atlanticus Rosmann & Azevedo

5(3) Paramere apex angularly concave (Fig.22) ................................................................. R. concavus sp. nov.

- Paramere apex rounded (Fig. 8)................................................................................................................. 6

6(5) Paramere conspicuously wide, dorsal margin covering slightly aedeagus in dorsal view (Fig. 7)............. ................................................................................................................................... R. latissimus sp. nov.

- Paramere not as above, dorsal margin not covering aedeagus in dorsal view (Fig.13)............................. 7

7(6) Median portion of aedeagus progressively narrow (Fig. 36) ............................. R. quinquilineatus Kieffer

- Median portion of aedeagus abruptly narrow (Fig. 37) ............................................... R. luteipennis Evans